Disassembly of Stringy.java

Java-Disassembly.txt

Stringy.java
-------------
class Stringy {
  public static void main(String[] args) { 
    String s = new StringBuilder().append("a").append("b").append("c").toString();
  }
}

javap -c -all Stringy:
----------------------

Classfile /tmp/Stringy.class
  Last modified Sep 25, 2014; size 455 bytes
  MD5 checksum 8e7b643384867b615b3b0f1eb643ffb5
  Compiled from "Stringy.java"
class Stringy
  SourceFile: "Stringy.java"
  minor version: 0
  major version: 51
  flags: ACC_SUPER
Constant pool:
   #1 = Methodref          #10.#19        //  java/lang/Object."<init>":()V
   #2 = Class              #20            //  java/lang/StringBuilder
   #3 = Methodref          #2.#19         //  java/lang/StringBuilder."<init>":()V
   #4 = String             #21            //  a
   #5 = Methodref          #2.#22         //  java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
   #6 = String             #23            //  b
   #7 = String             #24            //  c
   #8 = Methodref          #2.#25         //  java/lang/StringBuilder.toString:()Ljava/lang/String;
   #9 = Class              #26            //  Stringy
  #10 = Class              #27            //  java/lang/Object
  #11 = Utf8               <init>
  #12 = Utf8               ()V
  #13 = Utf8               Code
  #14 = Utf8               LineNumberTable
  #15 = Utf8               main
  #16 = Utf8               ([Ljava/lang/String;)V
  #17 = Utf8               SourceFile
  #18 = Utf8               Stringy.java
  #19 = NameAndType        #11:#12        //  "<init>":()V
  #20 = Utf8               java/lang/StringBuilder
  #21 = Utf8               a
  #22 = NameAndType        #28:#29        //  append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
  #23 = Utf8               b
  #24 = Utf8               c
  #25 = NameAndType        #30:#31        //  toString:()Ljava/lang/String;
  #26 = Utf8               Stringy
  #27 = Utf8               java/lang/Object
  #28 = Utf8               append
  #29 = Utf8               (Ljava/lang/String;)Ljava/lang/StringBuilder;
  #30 = Utf8               toString
  #31 = Utf8               ()Ljava/lang/String;
{
  Stringy();
    flags: 
    Code:
      stack=1, locals=1, args_size=1
         0: aload_0       
         1: invokespecial #1                  // Method java/lang/Object."<init>":()V
         4: return        
      LineNumberTable:
        line 1: 0

  public static void main(java.lang.String[]);
    flags: ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
         0: new           #2                  // class java/lang/StringBuilder
         3: dup           
         4: invokespecial #3                  // Method java/lang/StringBuilder."<init>":()V
         7: ldc           #4                  // String a
         9: invokevirtual #5                  // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        12: ldc           #6                  // String b
        14: invokevirtual #5                  // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        17: ldc           #7                  // String c
        19: invokevirtual #5                  // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        22: invokevirtual #8                  // Method java/lang/StringBuilder.toString:()Ljava/lang/String;
        25: astore_1      
        26: return        
      LineNumberTable:
        line 3: 0
        line 4: 26
}